On 23 May 2009, he was declined by Twitter;
On 03 August 2009, he was turned down by Facebook;
After being rejected by both Twitter and Facebook in 2009, he then decided to start his own company.
Four years later, on 19 February 2014 Brian Acton sold his company, WhatsApp Messenger to the same company that rejected him, Facebook for US$19 billion, in what is Facebook’s largest acquisition to date.
When one door closes, move on to the next door. Failure is a stepping stone to success.